BONE-ASH CUP as NOUN

1. Meaning
   • small porous bowl made of bone ash used in assaying to separate precious metals from e.g. lead
   Synonym(s)
   • cupel (what does cupel mean?)
   • refractory pot (what does refractory pot mean?)
   Hypernyms(s) bone-ash cup is a kind of… Example: animal is a hypernym of mammal, plant is a hypernym of flower
   • vessel (what does vessel mean?)